Do you give him food with his medications? Not just the abx but Tylenol and Ibuprofen too? My kids puke almost every time I give them meds without some crackers.
Otherwise he could have strep with a side of tummy bug or other virus.
" I object to violence because when it appears to do good, the good is only temporary; the evil it does is permanent." Mahatma Gandhi
"This is the ultimate weakness of violence: It multiplies evil and violence in the universe. It doesn't solve any problems." Martin Luther King, Jr.